OpenTechnical

OT-2026-000032690

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000032690) never changes.

Identity and time

Publication numberOT-2026-000032690 · never reused
Internal UUID01a0ae75-1070-7d8a-9047-fb40308a4c03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032690
StatusPUBLIC

Content hashes

Canonical text8de7c27e90ff8e951c7f40a603a2161c426fee6893b714077c79f7e0a6365dcb
Markdownf11c333518405efc176c023ea42a9c7f4b14c5a2add560c2e4c445dff03caabb
PDF
Publication page26c40ee2d3f57cae7515dab9de227d6f647615cb59b11da6df6ef4ce8c6adf43
Manifest60037a352001258f65dc18ab9670f66ffcee677f2107c52be85e513dc58183f4

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturetaLmVVHAlRgxzlPsloSt97m1WO5fKgyAQICY96pH8TOw+T4KvSAxWnLTAECHpdhCwZBm7JOZUwzWDKVE3iNPAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:17.998478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032690
observed 26c40ee2d3f57cae7515dab9de227d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.980409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032690/manifest.json
observed 60037a352001258f65dc18ab9670f66f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.960788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032690/publication.md
observed f11c333518405efc176c023ea42a9c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.942721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032690/publication.txt
observed 8de7c27e90ff8e951c7f40a603a2161c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.